Which kingdom$(s)$ in Whittaker's five-kingdom classification system include living organisms?

Identify the odd one out:

Which of the following is not included in the five-kingdom classification system?

Which of the following statements are incorrect based on the Whittaker classification system?
$I.$ Whittaker classified organisms into unicellular and multicellular based on the complexity of cell structure.
$II.$ Whittaker classified organisms as producers,decomposers,and consumers based on their ecological roles.
$III.$ Organisms were divided into unicellular and multicellular based on the complexity of body organization.
$IV.$ Prokaryotic and eukaryotic organisms were divided based on their mode of nutrition.

Select the correct pair from the following.

Which one of the following statements is correct?